Search a number
-
+
56102797 = 349160753
BaseRepresentation
bin1101011000000…
…0111110001101
310220120022120101
43112000332031
5103330242142
65322251101
71250603002
oct326007615
9126508511
1056102797
1129739953
1216956a91
13b81412a
1476458a9
154dd30b7
hex3580f8d

56102797 has 4 divisors (see below), whose sum is σ = 56263900. Its totient is φ = 55941696.

The previous prime is 56102789. The next prime is 56102803. The reversal of 56102797 is 79720165.

56102797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22335076 + 33767721 = 4726^2 + 5811^2 .

It is a cyclic number.

It is not a de Polignac number, because 56102797 - 23 = 56102789 is a prime.

It is a super-3 number, since 3×561027973 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56102197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80028 + ... + 80725.

It is an arithmetic number, because the mean of its divisors is an integer number (14065975).

Almost surely, 256102797 is an apocalyptic number.

It is an amenable number.

56102797 is a deficient number, since it is larger than the sum of its proper divisors (161103).

56102797 is a wasteful number, since it uses less digits than its factorization.

56102797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161102.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 56102797 is about 7490.1800378896. The cubic root of 56102797 is about 382.8201929660.

It can be divided in two parts, 5610279 and 7, that multiplied together give a triangular number (39271953 = T8862).

The spelling of 56102797 in words is "fifty-six million, one hundred two thousand, seven hundred ninety-seven".

Divisors: 1 349 160753 56102797